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   <div id="projectname"><a href="https://taskflow.github.io/">Taskflow</a>
   &#160;<span id="projectnumber">3.0.0-Master-Branch</span>
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<div class="title">Release 2.1.0 (2019/02/15) </div>  </div>
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<div class="textblock"><p>Cpp-Taskflow 2.1.0 is the second release in the 2.x line! This release includes several new changes such as tf::Framework, tf::WorkStealingThreadpool, tf::SpeculativeThreadpool, allocators, benchmarks, and so forth. In addition, this release improved usability, stability, and performance.</p>
<h1><a class="anchor" id="release-2-1-0_download"></a>
Download</h1>
<p>Cpp-Taskflow 2.1.0 can be downloaded from <a href="https://github.com/cpp-taskflow/cpp-taskflow/releases/tag/v2.1.0">here</a>.</p>
<h1><a class="anchor" id="release-2-1-0_new_features"></a>
New Features</h1>
<ul>
<li>A new reuseable task dependency graph tf::Framework. </li>
<li>New API (tf::Taskflow::run, tf::Taskflow::run_n, tf::Taskflow::run_until) to execute a framework</li>
</ul>
<h1><a class="anchor" id="release-2-1-0_improvements_enhancements"></a>
Improvements and Enhancements</h1>
<ul>
<li>Improved the performance of tf::WorkStealingThreadpool (non-blocking notifier, work stealing strategy, etc.) </li>
<li>Changed the data structure to store nodes and topologies to <a class="elRef" doxygen="/Users/twhuang/PhD/Code/taskflow/doxygen/cppreference-doxygen-web.tag.xml:http://en.cppreference.com/w/" href="http://en.cppreference.com/w/cpp/container/list.html">std::list</a>. </li>
<li>Added memory pool and allocator to manage the memory allocation of nodes and topologies. </li>
<li>Added a customized vector (PassiveVector) to hold POD data. </li>
<li>Added a dependents vector to keep track of the predecessors, in addition to successors, of a node. </li>
<li>Added more examples to demonstrate the usage of Cpp-Taskflow. </li>
<li>Added a benchmarking environment with comparison to OpenMP and Intel TBB libraries (micro-benchmarks and machine learning) </li>
<li>Removed the target node from a topology.</li>
</ul>
<h1><a class="anchor" id="release-2-1-0_breaks_and_deprecated_features"></a>
Breaks and Deprecated Features</h1>
<ul>
<li><a class="el" href="classtf_1_1FlowBuilder.html#a60d7a666cab71ecfa3010b2efb0d6b57" title="creates a static task ">tf::Taskflow::emplace</a> is now merged with tf::Taskflow::silent_emplace (both are the same) and no longer returns <a class="elRef" doxygen="/Users/twhuang/PhD/Code/taskflow/doxygen/cppreference-doxygen-web.tag.xml:http://en.cppreference.com/w/" href="http://en.cppreference.com/w/cpp/thread/future.html">std::future</a> in order to support tf::Framework</li>
</ul>
<h1><a class="anchor" id="release-2-1-0_bug_fixes"></a>
Bug Fixes</h1>
<p>There are no major bug fixes in this release. </p>
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